/*
 * @(#)GraphModelTreeNode.java   09/12/30
 * 
 * Copyright (C) 2009 Ecole des Mines d'Ales
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Contact: yulinz88@gmail.com
 */



package fr.ema.arch3d.editor.ass;

import org.jgraph.graph.GraphModel;

import java.util.Enumeration;
import java.util.Vector;

import javax.swing.tree.TreeNode;

//~--- classes ----------------------------------------------------------------

/**
 * Class description
 *
 *
 * @version        1.0, 09/09/13
 * @author         Huaxi (Yulin) ZHANG
 */
public class GraphModelTreeNode implements TreeNode {

    /** Field description */
    protected GraphModel model;

    /**
     * Constructs ...
     *
     *
     * @param model
     */
    public GraphModelTreeNode(GraphModel model) {
        this.model = model;
    }

    /**
     * Method description
     *
     * @return  
     */
    public Enumeration children() {
        Vector v = new Vector();

        for (int i = 0; i < model.getRootCount(); i++) {
            v.add(model.getRootAt(i));
        }

        return v.elements();
    }

    /**
     * Method description
     *
     * @return  
     */
    public boolean getAllowsChildren() {
        return true;
    }

    /**
     * Method description
     *
     * @param childIndex  
     * @return  
     */
    public TreeNode getChildAt(int childIndex) {
        return (TreeNode) model.getRootAt(childIndex);
    }

    /**
     * Method description
     *
     * @return  
     */
    public int getChildCount() {
        return model.getRootCount();
    }

    /**
     * Method description
     *
     * @param node  
     * @return  
     */
    public int getIndex(TreeNode node) {
        return model.getIndexOfRoot(node);
    }

    /**
     * Method description
     *
     * @return  
     */
    public TreeNode getParent() {
        return null;
    }

    /**
     * Method description
     *
     * @return  
     */
    public boolean isLeaf() {
        return false;
    }

    /**
     * Method description
     *
     * @return  
     */
    public String toString() {
        return model.toString();
    }
}
